🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 8.9

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.85 AU

Year: 416 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,494,775 km

• M1: 110,702 km (0.056 R)
• M2: 571,314 km (0.103 R)
• M3: 876,644 km (0.089 R)
• M4: 1,389,166 km (0.048 R)
• M5: 1,887,776 km (0.11 R)
• M6: 2,432,910 km (0.112 R)
• M7: 2,833,982 km (0.086 R)
• M8: 3,183,891 km (0.081 R)
• M9: 3,717,058 km (0.108 R)
• M10: 4,012,215 km (0.048 R)
• M11: 4,589,363 km (0.098 R)
• M12: 4,882,426 km (0.107 R)
• M13: 5,404,373 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 8.2

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.03 AU

Year: 541 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,494,775 km

• M1: 102,026 km (0.091 R)
• M2: 515,065 km (0.099 R)
• M3: 994,676 km (0.108 R)
• M4: 1,379,741 km (0.12 R)
• M5: 2,732,405 km (0.111 R)
• M6: 3,307,310 km (0.052 R)
• M7: 3,905,252 km (0.071 R)
• M8: 4,186,945 km (0.078 R)
• M9: 5,230,989 km (0.096 R)
• M10: 5,877,252 km (0.077 R)
• M11: 6,343,249 km (0.067 R)
• M12: 6,713,803 km (0.103 R)

Asteroid Belt

Center: 1.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 13.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.3 AU - 1.74 AU

Year: 1250 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,494,775 km

• M1: 169,195 km (0.03 R)
• M2: 623,973 km (0.071 R)
• M3: 1,106,127 km (0.077 R)
• M4: 1,553,574 km (0.069 R)
• M5: 2,145,682 km (0.104 R)
• M6: 2,770,553 km (0.109 R)
• M7: 3,760,292 km (0.079 R)
• M8: 4,268,775 km (0.106 R)
• M9: 5,264,947 km (0.108 R)
• M10: 5,755,180 km (0.081 R)
• M11: 7,487,673 km (0.117 R)
• M12: 8,625,963 km (0.116 R)
• M13: 10,625,338 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.5

Radius: 11.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.9 AU - 2.04 AU

Year: 1844 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,494,775 km

• M1: 142,118 km (0.093 R)
• M2: 544,835 km (0.071 R)
• M3: 904,469 km (0.109 R)
• M4: 1,372,261 km (0.102 R)
• M5: 2,206,120 km (0.114 R)
• M6: 3,088,448 km (0.036 R)
• M7: 4,045,725 km (0.084 R)
• M8: 5,105,177 km (0.1 R)
• M9: 5,769,092 km (0.11 R)
• M10: 7,215,554 km (0.066 R)
• M11: 8,434,777 km (0.087 R)
• M12: 9,720,570 km (0.092 R)
• M13: 12,598,983 km (0.105 R)
• M14: 13,398,883 km (0.093 R)
• M15: 13,936,837 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.8

Radius: 10.8

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.35 AU - 3.03 AU

Year: 2942 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,494,775 km

• M1: 134,488 km (0.049 R)
• M2: 572,361 km (0.093 R)
• M3: 939,624 km (0.114 R)
• M4: 1,788,443 km (0.079 R)
• M5: 3,122,407 km (0.076 R)
• M6: 3,810,856 km (0.113 R)
• M7: 4,708,892 km (0.106 R)
• M8: 5,691,301 km (0.096 R)
• M9: 6,056,470 km (0.082 R)
• M10: 6,409,521 km (0.119 R)
• M11: 6,921,145 km (0.042 R)
• M12: 8,287,273 km (0.116 R)
• M13: 8,791,717 km (0.082 R)
• M14: 10,086,636 km (0.096 R)
• M15: 11,178,402 km (0.111 R)
• M16: 11,794,895 km (0.115 R)
• M17: 12,828,317 km (0.108 R)
• M18: 13,920,979 km (0.039 R)
• M19: 14,442,029 km (0.042 R)
• M20: 15,272,895 km (0.109 R)
• M21: 18,461,724 km (0.081 R)
• M22: 19,381,751 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 9.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.67 AU - 3.05 AU

Year: 3225 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,494,775 km

• M1: 123,119 km (0.048 R)
• M2: 508,633 km (0.102 R)
• M3: 844,779 km (0.049 R)
• M4: 1,864,588 km (0.115 R)
• M5: 3,006,468 km (0.114 R)
• M6: 4,562,585 km (0.111 R)
• M7: 5,058,802 km (0.075 R)
• M8: 5,870,220 km (0.094 R)
• M9: 6,568,843 km (0.086 R)
• M10: 7,054,886 km (0.084 R)
• M11: 7,442,793 km (0.042 R)
• M12: 7,750,666 km (0.106 R)
• M13: 8,131,392 km (0.07 R)
• M14: 10,530,643 km (0.068 R)
• M15: 11,037,929 km (0.077 R)
• M16: 11,479,692 km (0.088 R)
• M17: 14,766,058 km (0.113 R)
• M18: 15,401,998 km (0.088 R)
• M19: 17,908,810 km (0.093 R)
• M20: 18,351,620 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 8.7

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.77 AU - 3.73 AU

Year: 3907 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,494,775 km

• M1: 108,907 km (0.086 R)
• M2: 440,566 km (0.118 R)
• M3: 847,921 km (0.101 R)
• M4: 1,130,212 km (0.103 R)
• M5: 1,431,951 km (0.054 R)
• M6: 1,762,562 km (0.046 R)
• M7: 2,697,998 km (0.119 R)
• M8: 3,344,260 km (0.079 R)
• M9: 4,370,053 km (0.08 R)
• M10: 5,592,268 km (0.065 R)
• M11: 6,421,040 km (0.056 R)
• M12: 7,161,100 km (0.115 R)
• M13: 12,401,663 km (0.111 R)
• M14: 13,857,251 km (0.089 R)
• M15: 15,875,625 km (0.096 R)
• M16: 16,220,598 km (0.104 R)
• M17: 16,806,423 km (0.06 R)
• M18: 18,585,291 km (0.03 R)
• M19: 20,016,046 km (0.083 R)
• M20: 20,553,999 km (0.081 R)
• M21: 23,095,218 km (0.105 R)
• M22: 23,463,977 km (0.094 R)
• M23: 27,043,405 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 10.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.97 AU - 3.79 AU

Year: 4144 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,494,775 km

• M1: 138,228 km (0.081 R)
• M2: 493,523 km (0.116 R)
• M3: 836,701 km (0.09 R)
• M4: 1,248,843 km (0.104 R)
• M5: 2,390,873 km (0.079 R)
• M6: 2,803,464 km (0.087 R)
• M7: 3,421,303 km (0.094 R)
• M8: 3,816,840 km (0.108 R)
• M9: 4,219,707 km (0.103 R)
• M10: 5,244,752 km (0.102 R)
• M11: 5,946,964 km (0.118 R)
• M12: 7,401,654 km (0.076 R)
• M13: 9,159,279 km (0.073 R)
• M14: 9,679,880 km (0.109 R)
• M15: 10,692,508 km (0.089 R)
• M16: 11,045,409 km (0.09 R)
• M17: 13,686,260 km (0.062 R)
• M18: 14,261,015 km (0.078 R)
• M19: 14,906,231 km (0.05 R)
• M20: 15,347,096 km (0.055 R)
• M21: 18,115,554 km (0.117 R)
• M22: 27,230,702 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 10.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.1 AU - 4.74 AU

Year: 5176 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,494,775 km

• M1: 154,834 km (0.059 R)
• M2: 488,736 km (0.088 R)
• M3: 1,306,438 km (0.115 R)
• M4: 2,223,324 km (0.088 R)
• M5: 2,686,778 km (0.068 R)
• M6: 4,475,819 km (0.102 R)
• M7: 5,403,325 km (0.099 R)
• M8: 7,369,042 km (0.041 R)
• M9: 8,048,665 km (0.092 R)
• M10: 9,145,965 km (0.033 R)
• M11: 9,770,536 km (0.117 R)
• M12: 10,423,232 km (0.084 R)
• M13: 14,131,613 km (0.109 R)
• M14: 14,860,454 km (0.114 R)
• M15: 19,898,162 km (0.07 R)
• M16: 23,511,849 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.6

Radius: 6.4

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.76 AU - 11.42 AU

Year: 21373 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,494,775 km

• M1: 80,633 km (0.081 R)
• M2: 412,142 km (0.116 R)
• M3: 617,241 km (0.085 R)
• M4: 871,557 km (0.096 R)
• M5: 1,364,033 km (0.026 R)
• M6: 1,664,127 km (0.093 R)
• M7: 1,969,456 km (0.07 R)
• M8: 2,269,549 km (0.034 R)
• M9: 3,037,734 km (0.074 R)
• M10: 4,155,081 km (0.086 R)
• M11: 5,110,413 km (0.066 R)
• M12: 6,288,346 km (0.025 R)
• M13: 6,806,703 km (0.105 R)
• M14: 7,076,278 km (0.077 R)
• M15: 8,076,639 km (0.034 R)
• M16: 10,354,716 km (0.106 R)
• M17: 16,289,413 km (0.05 R)
• M18: 17,682,917 km (0.084 R)
• M19: 18,451,850 km (0.068 R)
• M20: 18,713,048 km (0.057 R)
• M21: 19,332,084 km (0.077 R)
• M22: 21,081,332 km (0.084 R)
• M23: 22,833,273 km (0.039 R)
• M24: 24,365,604 km (0.109 R)
• M25: 26,183,667 km (0.065 R)
• M26: 27,407,078 km (0.07 R)
• M27: 28,668,188 km (0.105 R)
• M28: 32,810,104 km (0.105 R)
• M29: 35,023,255 km (0.085 R)
• M30: 35,827,643 km (0.09 R)
• M31: 40,180,342 km (0.07 R)
• M32: 47,922,182 km (0.065 R)
• M33: 64,455,290 km (0.114 R)
• M34: 65,864,951 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 16,659 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit